public bool TryProcess(CommandProcessorContext context, string[] args)
{
if (args == null || args.Length == 0)
{
_log.Error("Empty command");
throw new Exception("Empty command");
}
var commandName = args[0].ToUpper();
var commandArgs = args.Skip(1).ToArray();
ICommandProcessor commandProcessor;
if (!_processors.TryGetValue(commandName, out commandProcessor))
{
_log.Info("Unknown command: '{0}'", commandName);
new UsageProcessor(this).Execute(context, CancellationToken.None, new string[0]);
return false;
}
var result = false;
var timeout = context.Client.Options.Timeout;
using (var source = new CancellationTokenSource())
{
try
{
var token = source.Token;
if (timeout > 0)
{
result = new WaitFor<bool>(TimeSpan.FromSeconds(timeout)).Run(
() => commandProcessor.Execute(context, token, commandArgs));
}
else
{
result = commandProcessor.Execute(context, token,commandArgs);
}
}
catch (TimeoutException ex)
{
_log.Error("Command didn't finish in {0} seconds", timeout);
}
catch (Exception exc)
{
_log.ErrorException(exc, "Failure while processing {0}", commandName);
}
finally
{
source.Cancel();
}
}
return result;
}
public bool TryProcess(CommandProcessorContext context, string[] args)
{
if (args == null || args.Length == 0)
{
_log.Error("Empty command");
throw new Exception("Empty command");
}
var commandName = args[0].ToUpper();
var commandArgs = args.Skip(1).ToArray();
ICommandProcessor commandProcessor;
if (!_processors.TryGetValue(commandName, out commandProcessor))
{
_log.Info("Unknown command: '{0}'", commandName);
return false;
}
bool result = false;
var executedEvent = new AutoResetEvent(false);
ThreadPool.QueueUserWorkItem(_ =>
{
try
{
result = commandProcessor.Execute(context, commandArgs);
executedEvent.Set();
}
catch (Exception exc)
{
result = false;
//todo add log
executedEvent.Set();
}
});
executedEvent.WaitOne(1000);
context.WaitForCompletion();
return result;
}
bool ExecuteLine(string line)
{
try
{
var args = line.Split(new[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
Log.Info("Processing command: {0}.", string.Join(" ", args));
var context = new CommandProcessorContext(this, Log);
return _commands.TryProcess(context, args);
}
catch (Exception exception)
{
Log.ErrorException(exception, "Error while executing command");
return false;
}
}
private bool Execute(string[] args)
{
Log.Info("Processing command: {0}.", string.Join(" ", args));
var context = new CommandProcessorContext(this, Log, new ManualResetEvent(true));
return _commands.TryProcess(context, args);
}